When connecting ArcMap with ArcGIS Online by importing the map from ArcGIS Online in ArcMap on my desktop and using 'Synchronize Local Edits with Server' everything that I edit on ArcMap is also edited online. But, when I try to add another column to my attribute table I cannot see this change in ArcGIS Online (although I do refresh and save etc). Also the other way around, when I add another column in the data of the map in ArcGIS online, I cannot see this in ArcMap.

Does anybody have a solution for this?

  • If you add the column in ArcGIS Online, remove the layer from ArcMap, then re-add the layer to ArcMap, does the new column show up?
    – MapHound
    Jun 5, 2018 at 12:19

1 Answer 1


Adding new fields is considered a schema change try to overwrite the feature service after adding the new field.

here is a ESRI Blog post that covers the topic: https://community.esri.com/groups/technical-support/blog/2016/01/26/simplify-your-life-working-with-schema-changes-in-your-replicas

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